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Submission #617780

# Submission time Handle Problem Language Result Execution time Memory
617780 2022-08-01T14:08:23 Z MohamedAhmed04 Wiring (IOI17_wiring) C++14
100 / 100
 43 ms 12720 KB 
#include "wiring.h"
#include <bits/stdc++.h>

using namespace std ;

const int MAX = 2e5 + 10 ;

long long arr[MAX] , dp[MAX] ;
long long val[MAX] , pref[MAX] ;

vector<int>v[2] ;

int n , m ;

void solve(bool t)
{
	if(!v[!t].size())
	{
		for(auto &i : v[t])
			dp[i] = 1e18 ;
		return ; 
	}
	int st = arr[v[t][0]] , sz = v[!t].size() ;
	long long sum = 0 , Min = dp[v[!t][sz-1]] ;
	for(int j = sz-1 ; j >= 0 ; --j)
	{
		int i = v[!t][j] ;
		sum += st - arr[i] ;
		Min = min(Min , dp[i-1]) ;
		val[i] = Min + sum ;
	}
	pref[v[!t][0]] = val[v[!t][0]] ;
	for(int j = 1 ; j < sz ; ++j)
	{
		int i = v[!t][j] ;
		pref[i] = min(pref[i-1] , val[i]) ;
	}
	int j = v[t][0]-1 ;
	sum = 0 , Min = 1e18 ;
	for(auto &i : v[t])
	{
		Min += arr[v[t][0]] - arr[v[t][0]-1] , sum += arr[i] - st ;
		dp[i] = Min ;
		if(j >= v[!t][0])
			dp[i] = min(Min , pref[j]) , Min = min(Min , val[j]) ;
		dp[i] += sum ;
		--j ;
	}
}

long long min_total_length(std::vector<int> r, std::vector<int> b) 
{
	n = r.size() , m = b.size() ;
	vector< pair<int , int> >vp ;
	for(auto &i : r)
		vp.emplace_back(i , 0) ;
	for(auto &i : b)
		vp.emplace_back(i , 1) ;
	sort(vp.begin() , vp.end()) ;
	int prv = vp[0].second , idx = 0 ;
	for(auto &p : vp)
	{
		++idx ;
		arr[idx] = p.first ;
		if(p.second != prv)
			solve(prv) , v[!prv].clear() ;
		v[p.second].push_back(idx) ;
		prv = p.second ;
	} 
	solve(prv) ;
	return dp[n+m] ;
}

Subtask #1
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 0 ms 340 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 0 ms 340 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 1 ms 308 KB Output is correct
11 Correct 1 ms 308 KB Output is correct
12 Correct 0 ms 340 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 0 ms 340 KB Output is correct
15 Correct 0 ms 340 KB Output is correct
16 Correct 0 ms 340 KB Output is correct

Subtask #2
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 0 ms 340 KB Output is correct
3 Correct 22 ms 7420 KB Output is correct
4 Correct 23 ms 7488 KB Output is correct
5 Correct 23 ms 6852 KB Output is correct
6 Correct 29 ms 11292 KB Output is correct
7 Correct 30 ms 11276 KB Output is correct
8 Correct 30 ms 11300 KB Output is correct
9 Correct 29 ms 11264 KB Output is correct

Subtask #3
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 40 ms 9716 KB Output is correct
4 Correct 43 ms 11296 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 0 ms 340 KB Output is correct
11 Correct 1 ms 340 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 1 ms 312 KB Output is correct
14 Correct 0 ms 212 KB Output is correct
15 Correct 0 ms 340 KB Output is correct
16 Correct 1 ms 340 KB Output is correct
17 Correct 1 ms 340 KB Output is correct
18 Correct 42 ms 11712 KB Output is correct
19 Correct 40 ms 11684 KB Output is correct
20 Correct 42 ms 11688 KB Output is correct
21 Correct 40 ms 11816 KB Output is correct
22 Correct 41 ms 11684 KB Output is correct
23 Correct 42 ms 11712 KB Output is correct
24 Correct 40 ms 11740 KB Output is correct

Subtask #4
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 35 ms 9716 KB Output is correct
3 Correct 36 ms 10976 KB Output is correct
4 Correct 36 ms 10920 KB Output is correct
5 Correct 37 ms 11056 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 0 ms 340 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 0 ms 212 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 1 ms 340 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 1 ms 212 KB Output is correct
15 Correct 1 ms 340 KB Output is correct
16 Correct 1 ms 308 KB Output is correct
17 Correct 0 ms 340 KB Output is correct
18 Correct 33 ms 11196 KB Output is correct
19 Correct 36 ms 11060 KB Output is correct
20 Correct 32 ms 11000 KB Output is correct
21 Correct 31 ms 11164 KB Output is correct
22 Correct 33 ms 11700 KB Output is correct
23 Correct 28 ms 11184 KB Output is correct
24 Correct 30 ms 11576 KB Output is correct

Subtask #5
45.0 / 45.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 0 ms 340 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 0 ms 340 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 1 ms 308 KB Output is correct
11 Correct 1 ms 308 KB Output is correct
12 Correct 0 ms 340 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 0 ms 340 KB Output is correct
15 Correct 0 ms 340 KB Output is correct
16 Correct 0 ms 340 KB Output is correct
17 Correct 1 ms 212 KB Output is correct
18 Correct 0 ms 340 KB Output is correct
19 Correct 22 ms 7420 KB Output is correct
20 Correct 23 ms 7488 KB Output is correct
21 Correct 23 ms 6852 KB Output is correct
22 Correct 29 ms 11292 KB Output is correct
23 Correct 30 ms 11276 KB Output is correct
24 Correct 30 ms 11300 KB Output is correct
25 Correct 29 ms 11264 KB Output is correct
26 Correct 0 ms 212 KB Output is correct
27 Correct 0 ms 212 KB Output is correct
28 Correct 40 ms 9716 KB Output is correct
29 Correct 43 ms 11296 KB Output is correct
30 Correct 1 ms 212 KB Output is correct
31 Correct 0 ms 212 KB Output is correct
32 Correct 0 ms 212 KB Output is correct
33 Correct 1 ms 212 KB Output is correct
34 Correct 1 ms 212 KB Output is correct
35 Correct 0 ms 340 KB Output is correct
36 Correct 1 ms 340 KB Output is correct
37 Correct 1 ms 212 KB Output is correct
38 Correct 1 ms 312 KB Output is correct
39 Correct 0 ms 212 KB Output is correct
40 Correct 0 ms 340 KB Output is correct
41 Correct 1 ms 340 KB Output is correct
42 Correct 1 ms 340 KB Output is correct
43 Correct 42 ms 11712 KB Output is correct
44 Correct 40 ms 11684 KB Output is correct
45 Correct 42 ms 11688 KB Output is correct
46 Correct 40 ms 11816 KB Output is correct
47 Correct 41 ms 11684 KB Output is correct
48 Correct 42 ms 11712 KB Output is correct
49 Correct 40 ms 11740 KB Output is correct
50 Correct 0 ms 212 KB Output is correct
51 Correct 35 ms 9716 KB Output is correct
52 Correct 36 ms 10976 KB Output is correct
53 Correct 36 ms 10920 KB Output is correct
54 Correct 37 ms 11056 KB Output is correct
55 Correct 1 ms 212 KB Output is correct
56 Correct 0 ms 212 KB Output is correct
57 Correct 0 ms 340 KB Output is correct
58 Correct 1 ms 212 KB Output is correct
59 Correct 0 ms 212 KB Output is correct
60 Correct 0 ms 212 KB Output is correct
61 Correct 1 ms 340 KB Output is correct
62 Correct 0 ms 212 KB Output is correct
63 Correct 1 ms 212 KB Output is correct
64 Correct 1 ms 340 KB Output is correct
65 Correct 1 ms 308 KB Output is correct
66 Correct 0 ms 340 KB Output is correct
67 Correct 33 ms 11196 KB Output is correct
68 Correct 36 ms 11060 KB Output is correct
69 Correct 32 ms 11000 KB Output is correct
70 Correct 31 ms 11164 KB Output is correct
71 Correct 33 ms 11700 KB Output is correct
72 Correct 28 ms 11184 KB Output is correct
73 Correct 30 ms 11576 KB Output is correct
74 Correct 31 ms 12692 KB Output is correct
75 Correct 35 ms 11612 KB Output is correct
76 Correct 38 ms 12340 KB Output is correct
77 Correct 34 ms 11820 KB Output is correct
78 Correct 32 ms 11964 KB Output is correct
79 Correct 34 ms 11692 KB Output is correct
80 Correct 30 ms 11816 KB Output is correct
81 Correct 33 ms 12204 KB Output is correct
82 Correct 29 ms 11820 KB Output is correct
83 Correct 32 ms 11052 KB Output is correct
84 Correct 30 ms 11696 KB Output is correct
85 Correct 40 ms 12172 KB Output is correct
86 Correct 32 ms 12220 KB Output is correct
87 Correct 33 ms 11688 KB Output is correct
88 Correct 34 ms 12188 KB Output is correct
89 Correct 32 ms 12348 KB Output is correct
90 Correct 38 ms 12204 KB Output is correct
91 Correct 35 ms 12460 KB Output is correct
92 Correct 33 ms 12484 KB Output is correct
93 Correct 33 ms 12332 KB Output is correct
94 Correct 33 ms 12704 KB Output is correct
95 Correct 34 ms 12332 KB Output is correct
96 Correct 30 ms 11840 KB Output is correct
97 Correct 33 ms 12720 KB Output is correct
98 Correct 36 ms 12456 KB Output is correct
99 Correct 32 ms 12460 KB Output is correct
100 Correct 37 ms 12712 KB Output is correct
101 Correct 34 ms 12704 KB Output is correct
102 Correct 39 ms 12324 KB Output is correct